German Rubber and Diaphragm Sheets [ Karet Jerman Lembaran] Various kinds of rubber materials are available, such as natural rubber, nitrile, SBR, viton, EPDM, neoprene, and white rubber. Thicknesses vary from 0.5mm up to 30mm, with optional thread-insert. Our rubber products are available both in sheet forms, as well as molded forms with made-to-order sizes ( such as gaskets and o-rings) . Hub Mia 0856 9139 8333, 021- 40911748 Email : mia_ brsinaga@ yahoo.com